6. The temperature of an iron block decreases from 85°C to 25°C. If the mass for

the block is 1.2 kg, calculate the heat lost by the block. (Citon = 0.115 cal/g.°C)

X-2y=4. - 3x+5y=-3. solving linear systems using multiplication and addition show your work

Find the length of BC if ABC is equilateral with AB=12x+4 and AC=8x+12

B) State a valid formula for multiplying out (A + B) (A - B)

Which expression is equivalent to (x^1/2y^16) ^1/2

If y varies directly with x, find the constant of variation with x = 4 and y = - 24

Sam wants to write an equation to represent a proportional relationship with a constant of proportionality of 6. He writes the equation y = 6 + x. Is he correct. If not, what is the correct equation? Explain your answer.

What is 34,235,345 in word form

A supermarket has 28 kilograms of corn meal. The store puts the corn meal into bags that hold 4 kilograms each. How many 4-kilogram bags of corn meal does the supermarket have?

Find dy/dx if. y = inverse of cos x

83 85 82 93 83 84 95 87 86 94 what is the standard deviation of the data set in round to the nearest tenth